<template>
  <view>
    <!-- 商品列表渲染 -->
    <view class="goods-list">
      <view class="cart-item" v-for="item in cart" :key="item.goods_id">
        <!-- radio 小程序组件库自带的 -->
        <radio @click="yjkCheckedClick(item)" :checked="item.goods_checked" color="#EB4450" />
        <view class="cart-count">
          <u-number-box :value="item.goods_number" />
        </view>
        <!-- hover-class="none" 取消链接组件按下时的灰色样式 -->
        <navigator class="goods-item" hover-class="none" :url="`/pages/index/index`">
          <!-- 商品图片 -->
          <image
            class="goods-image"
            :src="item.goods_small_logo"
            mode="aspectFit"
          />
          <!-- 商品信息 -->
          <view class="goods-info">
            <view class="goods-name">{{ item.goods_name }}</view>
            <view class="goods-price">{{ item.goods_price }}</view>
          </view>
        </navigator>
      </view>
    </view>
    <!-- 底部操作栏占位 -->
    <view class="bottom-bar">
      <!-- 固定定位的操作栏  -->
      <view class="bottom-bar-fixed">
        <view class="select">
          <radio class="select-radio" @click="yjkChooseAll" :checked="yjkAllchoose" color="#EB4450"> 全选 </radio>
          <text class="select-radio"></text>
        </view>
        <!-- 合计 -->
        <view class="total">
          <text class="total-name">合计：</text>
          <text class="total-price">{{ '选中价格' }}</text>
        </view>
        <!-- 结算 -->
        <view class="account">去结算({{ getCountZong }})</view>
      </view>
    </view>
  </view>
</template>

<script>
import { mapGetters } from 'vuex';
export default {
  data(){
    return{
     cart:[] 
    }
  },
  computed:{
    yjkAllchoose:{
get(){
  return this.cart.every(item=>item.goods_checked)
},
set(value){
  console.log(value);
  this.cart.forEach(item=>item.goods_checked = value)
}
    },
    ...mapGetters(['getCountZong'])
  },
  onLoad(){
    this.cart = JSON.parse(JSON.stringify(this.$store.state.cart))
  },
  methods:{
    yjkCheckedClick(item){
      item.goods_checked = !item.goods_checked
      this.$store.commit('yjkaddGoodsList',this.cart)
    },
    yjkChooseAll(){
      this.yjkAllchoose = !this.yjkAllchoose
      // this.$store.getters.yjkAllchoose = !this.$store.getters.yjkAllchoose
      // this.cart.forEach(item=>item.goods_checked = this.$store.getters.yjkAllchoose)
      // this.$store.commit('yjkaddGoodsList',this.cart)
    }
  }
};
</script>

<style lang="scss">
// 商品列表
.goods-list {
  .goods-item {
    display: flex;
    padding: 25rpx;
    .goods-image {
      width: 190rpx;
      height: 190rpx;
    }
    .goods-info {
      flex: 1;
      font-size: 24rpx;
      // 垂直方向两端对齐
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      padding: 20rpx;
      .goods-name {
        // 多行超出隐藏
        overflow: hidden;
        -webkit-line-clamp: 2;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-box-orient: vertical;
      }
      .goods-price {
        color: #eb4450;
        // 前面的价格符号
        &::before {
          content: '￥';
          font-size: 80%;
          margin-right: 5rpx;
        }
      }
    }
  }
}
// 购物车列表项
.cart-item {
  display: flex;
  align-items: center;
  padding-left: 20rpx;
  border-bottom: 1rpx solid #ddd;
  position: relative;
  // 清除最后一项的底边
  &:last-child {
    border-bottom: none;
  }
  // 步进器外层盒子，定位实现
  .cart-count {
    position: absolute;
    // 体验优化细节：扩大盒子范围，防止用户误操作
    // background-color: pink;
    padding: 20rpx;
    bottom: 0;
    right: 0;
  }
}

// 底部操作栏
.bottom-bar {
  // 占位用
  height: 100rpx;
  // 定位的操作栏
  .bottom-bar-fixed {
    height: 80rpx;
    position: fixed;
    z-index: 99;
    left: 0;
    right: 0;
    bottom: 0;

    border-top: 1px solid #eee;
    background-color: #fff;
    display: flex;
    align-items: center;
    padding: 0 20rpx;

    .select {
      .select-radio {
        font-size: 24rpx;
        color: #999;
      }
    }

    .total {
      flex: 1;
      display: flex;
      align-items: center;
      margin-left: 40rpx;
      .total-name {
        font-size: 24rpx;
      }

      .total-price {
        color: #eb4450;
      }
    }

    .account {
      background-color: #eb4450;
      color: #fff;
      font-size: 22rpx;
      width: 150rpx;
      height: 52rpx;
      border-radius: 26rpx;
      display: flex;
      justify-content: center;
      align-items: center;
    }
  }
}
</style>
